CVE-2011-0226
High PUBLISHEDInteger signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as used in CoreGraphics in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted Type 1 font in a PDF document, as exploited in the wild in July 2011.
- CVE Published
- Jul 19, 2011
- Exploitation Reported
- Jul 19, 2011
- CVSS
- 9.3 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- APPLE-SA-2011-07-15-1 lists.apple.com · Vendor Advisory http://lists.apple.com/archives/security-announce/2011//Jul/msg00000....
- openSUSE-SU-2011:0852 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00015...
- APPLE-SA-2011-07-15-2 lists.apple.com · Vendor Advisory http://lists.apple.com/archives/security-announce/2011//Jul/msg00001....
- APPLE-SA-2011-10-12-3 lists.apple.com · Vendor Advisory http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003....
- RHSA-2011:1085 redhat.com · Vendor Advisory http://www.redhat.com/support/errata/RHSA-2011-1085.html
Show 15 more references
- SUSE-SU-2011:0853 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00016...
- DSA-2294 debian.org · Vendor Advisory http://www.debian.org/security/2011/dsa-2294
- MDVSA-2011:120 mandriva.com · Vendor Advisory http://www.mandriva.com/security/advisories?name=MDVSA-2011:120
- 45224 secunia.com · Third-Party Advisory http://secunia.com/advisories/45224
- 45167 secunia.com · Third-Party Advisory http://secunia.com/advisories/45167
- 48619 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/48619
- [freetype-devel] 20110709 Re: details on iPhone exploit caused by FreeType? lists.nongnu.org · Mailing List http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00020....
- [freetype-devel] 20110708 Re: details on iPhone exploit caused by FreeType? lists.nongnu.org · Mailing List http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00015....
- [freetype-devel] 20110711 Re: details on iPhone exploit caused by FreeType? lists.nongnu.org · Mailing List http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00028....
- [freetype-devel] 20110708 details on iPhone exploit caused by FreeType? lists.nongnu.org · Mailing List http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00014....
- [freetype-devel] 20110711 Re: details on iPhone exploit caused by FreeType? lists.nongnu.org · Mailing List http://lists.nongnu.org/archive/html/freetype-devel/2011-07/msg00026....
- support.apple.com/kb/HT4803 support.apple.com · CVE Record http://support.apple.com/kb/HT4803
- support.apple.com/kb/HT4802 support.apple.com · CVE Record http://support.apple.com/kb/HT4802
- support.apple.com/kb/HT5002 support.apple.com · CVE Record http://support.apple.com/kb/HT5002
- appleinsider.com/articles/11/07/06/hackers_release_new_browse... appleinsider.com · CVE Record http://www.appleinsider.com/articles/11/07/06/hackers_release_new_bro...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2011-07-19 22:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2011-07-19 22:00:00 UTC · CVE
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
22:00 UTC about 15 years ago22:00 UTC · about 15 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
22:00 UTC about 15 years ago22:00 UTC · about 15 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 15 years ago00:00 UTC · over 15 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2011-0226
{
"cve_id": "CVE-2011-0226",
"title": "Integer signedness error in psaux/t1decode.c in FreeType before 2.4.6, as use...",
"affected_vendor": "Apple",
"affected_product": "iOS",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.3,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}